The influence of severe plastic deformation processes on electrical conductivity of commercially pure aluminium and 5483 aluminium alloy

被引：32

作者：

Lipinska, Marta ^{[1
]}

Bazarnik, Piotr ^{[1
]}

Lewandowska, Malgorzata ^{[1
]}

机构：

[1] Warsaw Univ Technol, Fac Mat Sci & Engn, Woloska 141, PL-02507 Warsaw, Poland

来源：

ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING | 2016年 / 16卷 / 04期

关键词：

Severe plastic deformation; Electrical conductivity; Aluminium; Microhardness; GRAIN-REFINEMENT; MECHANICAL-PROPERTIES; STRENGTH; ECAP; BEHAVIOR; DESIGN; BULK;

D O I：

10.1016/j.acme.2016.04.013

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Commercially pure aluminium 1050 and aluminium alloy 5483 were processed by Severe Plastic Deformation processes, i.e. Equal Channel Angular Pressing and Hydrostatic Extrusion in various configurations. Electrical conductivity and Vicker's microhardness were measured for as-received and deformed materials. Microstructure was investigated using Focused Ion Beam Microscopy and Transmission Electron Microscopy for coarse grained and deformed materials, respectively. The Severe Plastic Deformation processes bring about a significant grain size reduction, which was accompanied by an increase in microhardness. The results have shown that the grain size reduction below 1 mu m has a negligible impact on electrical properties in comparison to alloying elements, which considerably impair the electrical conductivity. (C) 2016 Politechnika Wroclawska. Published by Elsevier Sp. z o.o. All rights reserved.

引用

页码：717 / 723

页数：7

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